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				| /* ///////////////////////////////////////////////////////////////////////// | |
|  * File:        atlstl/shims/access/string/cwindow.hpp | |
|  * | |
|  * Purpose:     Contains classes and functions for dealing with OLE/COM strings. | |
|  * | |
|  * Created:     27th May 2002 | |
|  * Updated:     10th August 2009 | |
|  * | |
|  * Home:        http://stlsoft.org/ | |
|  * | |
|  * Copyright (c) 2002-2009, Matthew Wilson and Synesis Software | |
|  * All rights reserved. | |
|  * | |
|  * Redistribution and use in source and binary forms, with or without | |
|  * modification, are permitted provided that the following conditions are met: | |
|  * | |
|  * - Redistributions of source code must retain the above copyright notice, this | |
|  *   list of conditions and the following disclaimer. | |
|  * - Redistributions in binary form must reproduce the above copyright notice, | |
|  *   this list of conditions and the following disclaimer in the documentation | |
|  *   and/or other materials provided with the distribution. | |
|  * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of | |
|  *   any contributors may be used to endorse or promote products derived from | |
|  *   this software without specific prior written permission. | |
|  * | |
|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
|  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
|  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
|  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
|  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
|  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
|  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
|  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
|  * POSSIBILITY OF SUCH DAMAGE. | |
|  * | |
|  * ////////////////////////////////////////////////////////////////////// */ | |
| 
 | |
| 
 | |
| /** \file atlstl/shims/access/string/cwindow.hpp | |
|  * | |
|  * \brief [C++] Definition of the string access shims for | |
|  *   <code>CWindow</code> | |
|  *   (\ref group__concept__shim__string_access "String Access Shims" Concept). | |
|  */ | |
| 
 | |
| #ifndef ATLSTL_INCL_ATLSTL_SHIMS_ACCESS_STRING_HPP_CWINDOW | |
| #define ATLSTL_INCL_ATLSTL_SHIMS_ACCESS_STRING_HPP_CWINDOW | |
|  | |
| #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION | |
| # define ATLSTL_VER_ATLSTL_SHIMS_ACCESS_STRING_HPP_CWINDOW_MAJOR    4 | |
| # define ATLSTL_VER_ATLSTL_SHIMS_ACCESS_STRING_HPP_CWINDOW_MINOR    0 | |
| # define ATLSTL_VER_ATLSTL_SHIMS_ACCESS_STRING_HPP_CWINDOW_REVISION 3 | |
| # define ATLSTL_VER_ATLSTL_SHIMS_ACCESS_STRING_HPP_CWINDOW_EDIT     102 | |
| #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */ | |
|  | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * Includes | |
|  */ | |
| 
 | |
| #ifndef ATLSTL_INCL_ATLSTL_HPP_ATLSTL | |
| # include <atlstl/atlstl.hpp> | |
| #endif /* !ATLSTL_INCL_ATLSTL_HPP_ATLSTL */ | |
| #ifndef STLSOFT_INCL_STLSOFT_SHIMS_ACCESS_HPP_STRING | |
| # include <stlsoft/shims/access/string.hpp> | |
| #endif /* !STLSOFT_INCL_STLSOFT_SHIMS_ACCESS_HPP_STRING */ | |
| #ifndef STLSOFT_INCL_STLSOFT_STRING_HPP_CSTRING_MAKER | |
| # include <stlsoft/string/cstring_maker.hpp> | |
| #endif /* !STLSOFT_INCL_STLSOFT_STRING_HPP_CSTRING_MAKER */ | |
|  | |
| #ifdef STLSOFT_UNITTEST | |
| # include <wchar.h> | |
| #endif /* STLSOFT_UNITTEST */ | |
| #ifndef STLSOFT_INCL_SYS_H_ATLWIN | |
| # define STLSOFT_INCL_SYS_H_ATLWIN | |
| # include <atlwin.h> | |
| #endif /* !STLSOFT_INCL_SYS_H_ATLWIN */ | |
|  | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * Namespace | |
|  */ | |
| 
 | |
| #ifndef _ATLSTL_NO_NAMESPACE | |
| # if defined(_STLSOFT_NO_NAMESPACE) || \ | |
|      defined(STLSOFT_DOCUMENTATION_SKIP_SECTION) | |
| /* There is no stlsoft namespace, so must define ::atlstl */ | |
| namespace atlstl | |
| { | |
| # else | |
| /* Define stlsoft::atlstl_project */ | |
| 
 | |
| namespace stlsoft | |
| { | |
| 
 | |
| namespace atlstl_project | |
| { | |
| 
 | |
| # endif /* _STLSOFT_NO_NAMESPACE */ | |
| #endif /* !_ATLSTL_NO_NAMESPACE */ | |
|  | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * Classes | |
|  */ | |
| 
 | |
| /* CWindow */ | |
| 
 | |
| /** \brief This class provides an intermediary object that may be returned by the | |
|  * c_str_ptr_null() function, such that the window text of a given window | |
|  * may be accessed as a null-terminated string. | |
|  * | |
|  * \ingroup group__concept__shim__string_access | |
|  * | |
|  */ | |
| struct c_str_ptr_null_CWindow_proxy | |
| { | |
| private: | |
|     typedef cstring_maker<TCHAR>            string_maker_type; | |
|     typedef c_str_ptr_null_CWindow_proxy    class_type; | |
| 
 | |
| // Construction | |
| public: | |
|     /// Constructs an instance of the proxy from the given CWindow instance | |
|     /// | |
|     /// \param w The CWindow instance from which the text will be retrieved | |
|     ss_explicit_k c_str_ptr_null_CWindow_proxy(CWindow const& w) | |
|     { | |
|         int length  =   (NULL == w.m_hWnd) ? 0 : w.GetWindowTextLength(); | |
| 
 | |
|         if(length == 0) | |
|         { | |
|             m_buffer = NULL; | |
|         } | |
|         else | |
|         { | |
|             m_buffer = string_maker_type::alloc(length); | |
| 
 | |
|             if(NULL != m_buffer) | |
|             { | |
|                 w.GetWindowText(m_buffer, length + 1); | |
|             } | |
|         } | |
|     } | |
| 
 | |
| #ifdef STLSOFT_CF_MOVE_CONSTRUCTOR_SUPPORT | |
|     /// Move constructor | |
|     /// | |
|     /// This <a href = "http://synesis.com.au/resources/articles/cpp/movectors.pdf">move constructor</a> | |
|     /// is for circumstances when the compiler does not, or cannot, apply the | |
|     /// return value optimisation. It causes the contents of \c rhs to be | |
|     /// transferred into the constructing instance. This is completely safe | |
|     /// because the \c rhs instance will never be accessed in its own right, so | |
|     /// does not need to maintain ownership of its contents. | |
|     c_str_ptr_null_CWindow_proxy(class_type& rhs) | |
|         : m_buffer(rhs.m_buffer) | |
|     { | |
|         rhs.m_buffer = 0; | |
|     } | |
| #else /* ? STLSOFT_CF_MOVE_CONSTRUCTOR_SUPPORT */ | |
|     // Copy constructor | |
|     c_str_ptr_null_CWindow_proxy(class_type const& rhs) | |
|         : m_buffer(string_maker_type::dup_null(rhs.m_buffer)) | |
|     {} | |
| #endif /* STLSOFT_CF_MOVE_CONSTRUCTOR_SUPPORT */ | |
|  | |
|     /// Releases any storage aquired by the proxy | |
|     ~c_str_ptr_null_CWindow_proxy() stlsoft_throw_0() | |
|     { | |
|         string_maker_type::free(m_buffer); | |
|     } | |
| 
 | |
| // Accessors | |
| public: | |
|     /// Returns a null-terminated string representing the window contents, or | |
|     /// NULL if the window contains no text. | |
|     operator LPCTSTR () const | |
|     { | |
|         return m_buffer; | |
|     } | |
| 
 | |
| // Members | |
| private: | |
|     LPTSTR  m_buffer; | |
| 
 | |
| // Not to be implemented | |
| private: | |
|     void operator =(class_type const& rhs); | |
| }; | |
| 
 | |
| /** \brief This class provides an intermediary object that may be returned by the | |
|  * c_str_ptr() function, such that the window text of a given window may be | |
|  * accessed as a null-terminated string. | |
|  * | |
|  * \ingroup group__concept__shim__string_access | |
|  * | |
|  */ | |
| struct c_str_ptr_CWindow_proxy | |
| { | |
| private: | |
|     typedef cstring_maker<TCHAR>        string_maker_type; | |
|     typedef c_str_ptr_CWindow_proxy     class_type; | |
| 
 | |
| // Construction | |
| public: | |
|     /// Constructs an instance of the proxy from the given CWindow instance | |
|     /// | |
|     /// \param w The CWindow instance from which the text will be retrieved | |
|     ss_explicit_k c_str_ptr_CWindow_proxy(CWindow const& w) | |
|     { | |
|         int length  =   (NULL == w.m_hWnd) ? 0 : w.GetWindowTextLength(); | |
| 
 | |
|         if(length == 0) | |
|         { | |
|             m_buffer = string_maker_type::dup(""); | |
|         } | |
|         else | |
|         { | |
|             m_buffer = string_maker_type::alloc(length); | |
| 
 | |
|             if(NULL != m_buffer) | |
|             { | |
|                 w.GetWindowText(m_buffer, length + 1); | |
|             } | |
|         } | |
|     } | |
| 
 | |
| #ifdef STLSOFT_CF_MOVE_CONSTRUCTOR_SUPPORT | |
|     /// Move constructor | |
|     /// | |
|     /// This <a href = "http://synesis.com.au/resources/articles/cpp/movectors.pdf">move constructor</a> | |
|     /// is for circumstances when the compiler does not, or cannot, apply the | |
|     /// return value optimisation. It causes the contents of \c rhs to be | |
|     /// transferred into the constructing instance. This is completely safe | |
|     /// because the \c rhs instance will never be accessed in its own right, so | |
|     /// does not need to maintain ownership of its contents. | |
|     c_str_ptr_CWindow_proxy(class_type& rhs) | |
|         : m_buffer(rhs.m_buffer) | |
|     { | |
|         rhs.m_buffer = 0; | |
|     } | |
| #else /* ? STLSOFT_CF_MOVE_CONSTRUCTOR_SUPPORT */ | |
|     // Copy constructor | |
|     c_str_ptr_CWindow_proxy(class_type const& rhs) | |
|         : m_buffer(string_maker_type::dup_null(rhs.m_buffer)) | |
|     {} | |
| #endif /* STLSOFT_CF_MOVE_CONSTRUCTOR_SUPPORT */ | |
|  | |
|     /// Releases any storage aquired by the proxy | |
|     ~c_str_ptr_CWindow_proxy() stlsoft_throw_0() | |
|     { | |
|         string_maker_type::free(m_buffer); | |
|     } | |
| 
 | |
| // Accessors | |
| public: | |
|     /// Returns a null-terminated string representing the window contents, or | |
|     /// the empty string "" if the window contains no text. | |
|     operator LPCTSTR () const | |
|     { | |
|         return (NULL == m_buffer) ? "" : m_buffer; | |
|     } | |
| 
 | |
| // Members | |
| private: | |
|     LPTSTR  m_buffer; | |
| 
 | |
| // Not to be implemented | |
| private: | |
|     void operator =(class_type const& rhs); | |
| }; | |
| 
 | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * Equivalence testing | |
|  */ | |
| 
 | |
| inline as_bool_t operator ==(LPCTSTR lhs, c_str_ptr_null_CWindow_proxy const& rhs) | |
| { | |
|     return lhs == static_cast<LPCTSTR>(rhs); | |
| } | |
| 
 | |
| inline as_bool_t operator ==(c_str_ptr_null_CWindow_proxy const& lhs, LPCTSTR rhs) | |
| { | |
|     return static_cast<LPCTSTR>(lhs) == rhs; | |
| } | |
| 
 | |
| inline as_bool_t operator !=(LPCTSTR lhs, c_str_ptr_null_CWindow_proxy const& rhs) | |
| { | |
|     return lhs != static_cast<LPCTSTR>(rhs); | |
| } | |
| 
 | |
| inline as_bool_t operator !=(c_str_ptr_null_CWindow_proxy const& lhs, LPCTSTR rhs) | |
| { | |
|     return static_cast<LPCTSTR>(lhs) != rhs; | |
| } | |
| 
 | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * IOStream compatibility | |
|  */ | |
| 
 | |
| template<ss_typename_param_k S> | |
| inline S& operator <<(S& s, c_str_ptr_null_CWindow_proxy const& shim) | |
| { | |
|     s << static_cast<LPCTSTR>(shim); | |
| 
 | |
|     return s; | |
| } | |
| 
 | |
| template <ss_typename_param_k S> | |
| inline S& operator <<(S& s, c_str_ptr_CWindow_proxy const& shim) | |
| { | |
|     s << static_cast<LPCTSTR>(shim); | |
| 
 | |
|     return s; | |
| } | |
| 
 | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * c_str_data | |
|  * | |
|  * This can be applied to an expression, and the return value is either a | |
|  * pointer to the character string or to an empty string. | |
|  */ | |
| 
 | |
| /* CWindow */ | |
| 
 | |
| /** \brief \ref group__concept__shim__string_access__c_str_data for CWindow | |
|  * | |
|  * \ingroup group__concept__shim__string_access | |
|  * | |
|  */ | |
| inline c_str_ptr_CWindow_proxy c_str_data(atlstl_ns_qual_atl(CWindow) const& w) | |
| { | |
|     return c_str_ptr_CWindow_proxy(w); | |
| } | |
| 
 | |
| #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION | |
| # ifdef UNICODE | |
| inline c_str_ptr_CWindow_proxy c_str_data_w(atlstl_ns_qual_atl(CWindow) const& w) | |
| # else /* ? UNICODE */ | |
| inline c_str_ptr_CWindow_proxy c_str_data_a(atlstl_ns_qual_atl(CWindow) const& w) | |
| # endif /* UNICODE */ | |
| { | |
|     return c_str_data(w); | |
| } | |
| #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */ | |
|  | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * c_str_len | |
|  * | |
|  * This can be applied to an expression, and the return value is the number | |
|  * of characters in the character string in the expression. | |
|  */ | |
| 
 | |
| /* CWindow */ | |
| 
 | |
| /** \brief \ref group__concept__shim__string_access__c_str_len for CWindow | |
|  * | |
|  * \ingroup group__concept__shim__string_access | |
|  * | |
|  */ | |
| inline as_size_t c_str_len(atlstl_ns_qual_atl(CWindow) const& w) | |
| { | |
|     return static_cast<as_size_t>(w.GetWindowTextLength()); | |
| } | |
| 
 | |
| #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION | |
| # ifdef UNICODE | |
| inline as_size_t c_str_len_w(atlstl_ns_qual_atl(CWindow) const& w) | |
| # else /* ? UNICODE */ | |
| inline as_size_t c_str_len_a(atlstl_ns_qual_atl(CWindow) const& w) | |
| # endif /* UNICODE */ | |
| { | |
|     return c_str_len(w); | |
| } | |
| #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */ | |
|  | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * c_str_ptr | |
|  * | |
|  * This can be applied to an expression, and the return value is either a | |
|  * pointer to the character string or to an empty string. | |
|  */ | |
| 
 | |
| /* CWindow */ | |
| 
 | |
| /** \brief \ref group__concept__shim__string_access__c_str_ptr for CWindow | |
|  * | |
|  * \ingroup group__concept__shim__string_access | |
|  * | |
|  */ | |
| inline c_str_ptr_CWindow_proxy c_str_ptr(atlstl_ns_qual_atl(CWindow) const& w) | |
| { | |
|     return c_str_ptr_CWindow_proxy(w); | |
| } | |
| 
 | |
| # ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION | |
| #  ifdef UNICODE | |
| inline c_str_ptr_CWindow_proxy c_str_ptr_w(atlstl_ns_qual_atl(CWindow) const& w) | |
| #  else /* ? UNICODE */ | |
| inline c_str_ptr_CWindow_proxy c_str_ptr_a(atlstl_ns_qual_atl(CWindow) const& w) | |
| #  endif /* UNICODE */ | |
| { | |
|     return c_str_ptr(w); | |
| } | |
| # endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */ | |
|  | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * c_str_ptr_null | |
|  * | |
|  * This can be applied to an expression, and the return value is either a | |
|  * pointer to the character string or NULL. | |
|  */ | |
| 
 | |
| /* CWindow */ | |
| 
 | |
| /** \brief \ref group__concept__shim__string_access__c_str_ptr_null for CWindow | |
|  * | |
|  * \ingroup group__concept__shim__string_access | |
|  * | |
|  */ | |
| inline c_str_ptr_null_CWindow_proxy c_str_ptr_null(atlstl_ns_qual_atl(CWindow) const& w) | |
| { | |
|     return c_str_ptr_null_CWindow_proxy(w); | |
| } | |
| 
 | |
| # ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION | |
| #  ifdef UNICODE | |
| inline c_str_ptr_null_CWindow_proxy c_str_ptr_null_w(atlstl_ns_qual_atl(CWindow) const& w) | |
| #  else /* ? UNICODE */ | |
| inline c_str_ptr_null_CWindow_proxy c_str_ptr_null_a(atlstl_ns_qual_atl(CWindow) const& w) | |
| #  endif /* UNICODE */ | |
| { | |
|     return c_str_ptr_null(w); | |
| } | |
| # endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */ | |
|  | |
| //////////////////////////////////////////////////////////////////////////// | |
| // Unit-testing | |
|  | |
| #ifdef STLSOFT_UNITTEST | |
| # include "./unittest/cwindow_unittest_.h" | |
| #endif /* STLSOFT_UNITTEST */ | |
|  | |
| /* ////////////////////////////////////////////////////////////////////// */ | |
| 
 | |
| #ifndef _ATLSTL_NO_NAMESPACE | |
| # if defined(_STLSOFT_NO_NAMESPACE) || \ | |
|      defined(STLSOFT_DOCUMENTATION_SKIP_SECTION) | |
| } // namespace atlstl | |
| # else | |
| } // namespace stlsoft::atlstl_project | |
| } // namespace stlsoft | |
| # endif /* _STLSOFT_NO_NAMESPACE */ | |
| #endif /* !_ATLSTL_NO_NAMESPACE */ | |
|  | |
| /* ///////////////////////////////////////////////////////////////////////// | |
|  * Namespace | |
|  * | |
|  * The string access shims exist either in the stlsoft namespace, or in the | |
|  * global namespace. This is required by the lookup rules. | |
|  * | |
|  */ | |
| 
 | |
| #ifndef _ATLSTL_NO_NAMESPACE | |
| # if !defined(_STLSOFT_NO_NAMESPACE) && \ | |
|      !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION) | |
| namespace stlsoft | |
| { | |
| # else /* ? _STLSOFT_NO_NAMESPACE */ | |
| /* There is no stlsoft namespace, so must define in the global namespace */ | |
| # endif /* !_STLSOFT_NO_NAMESPACE */ | |
|  | |
| using ::atlstl::c_str_data; | |
| #if defined(UNICODE) | |
| using ::atlstl::c_str_data_w; | |
| #else /* ? UNICODE*/ | |
| using ::atlstl::c_str_data_a; | |
| #endif /* UNICODE*/ | |
|  | |
| using ::atlstl::c_str_len; | |
| #if defined(UNICODE) | |
| using ::atlstl::c_str_len_w; | |
| #else /* ? UNICODE*/ | |
| using ::atlstl::c_str_len_a; | |
| #endif /* UNICODE*/ | |
|  | |
| using ::atlstl::c_str_ptr; | |
| #if defined(UNICODE) | |
| using ::atlstl::c_str_ptr_w; | |
| #else /* ? UNICODE*/ | |
| using ::atlstl::c_str_ptr_a; | |
| #endif /* UNICODE*/ | |
|  | |
| using ::atlstl::c_str_ptr_null; | |
| #if defined(UNICODE) | |
| using ::atlstl::c_str_ptr_null_w; | |
| #else /* ? UNICODE*/ | |
| using ::atlstl::c_str_ptr_null_a; | |
| #endif /* UNICODE*/ | |
|  | |
| # if !defined(_STLSOFT_NO_NAMESPACE) && \ | |
|      !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION) | |
| } // namespace stlsoft | |
| # else /* ? _STLSOFT_NO_NAMESPACE */ | |
| /* There is no stlsoft namespace, so must define in the global namespace */ | |
| # endif /* !_STLSOFT_NO_NAMESPACE */ | |
| #endif /* !_ATLSTL_NO_NAMESPACE */ | |
|  | |
| /* ////////////////////////////////////////////////////////////////////// */ | |
| 
 | |
| #endif /* !ATLSTL_INCL_ATLSTL_SHIMS_ACCESS_STRING_HPP_CWINDOW */ | |
|  | |
| /* ///////////////////////////// end of file //////////////////////////// */
 |